680100677 has 2 divisors, whose sum is σ = 680100678. Its totient is φ = 680100676.

The previous prime is 680100613. The next prime is 680100697. The reversal of 680100677 is 776001086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 637512001 + 42588676 = 25249^2 + 6526^2 .

It is a cyclic number.

It is not a de Polignac number, because 680100677 - 2⁶ = 680100613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680100697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340050338 + 340050339.

It is an arithmetic number, because the mean of its divisors is an integer number (340050339).

Almost surely, 2^680100677 is an apocalyptic number.

It is an amenable number.

680100677 is a deficient number, since it is larger than the sum of its proper divisors (1).

680100677 is an equidigital number, since it uses as much as digits as its factorization.

680100677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 680100677 is about 26078.7399427196. The cubic root of 680100677 is about 879.4093302921.

The spelling of 680100677 in words is "six hundred eighty million, one hundred thousand, six hundred seventy-seven".